:root { --board: #10140f; --amber: #e2b657; --page: #f4f1ea; --ink: #1c1c1c; }
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; }
.split { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.board { background: var(--board); color: var(--amber); padding: 22px 18px; font-family: ui-monospace, "SF Mono", "Courier New", monospace; }
.board strong { display: block; letter-spacing: 0.16em; font-size: 12px; margin-bottom: 16px; }
.board a { display: block; color: var(--amber); text-decoration: none; padding: 8px 0; border-top: 1px solid rgba(226,182,87,.25); }
.board a.on { color: #fff6dc; }
.board p { font-size: 13px; line-height: 1.45; color: #c9a35a; }
main { padding: 32px 36px 56px; max-width: 760px; }
h1 { font-size: 32px; font-weight: 650; letter-spacing: -0.03em; margin: 0 0 12px; }
p { font-size: 18px; line-height: 1.5; }
img { width: 100%; height: auto; display: block; }
figure { margin: 16px 0; }
figcaption { font-size: 14px; color: #555; margin-top: 6px; }
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; }
  .board a { display: inline-block; margin-right: 14px; border-top: 0; }
  main { padding: 20px 16px 40px; }
}